As a user, zypper can be used instead of yum
Use zypper library instead of yum to install / update / remove software on SUSE based distributions.
The zypper library transactions are running within a separate process as the zypper application would otherwise be blocked as long as the gofer process is running. Looks like that this is a issue in zypper / python swig implementation. Answer from zypper development mailing list:
Older libzypp versions are not able to drop the lock at runtime.
(and they also don't have 'zypp.ZYppFactory_instance().haveZYpp()'
to test whether the instance is present.)
On older distros you need to run zypp in a separate process,
so libzypp gets unloaded and releases the lock.
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